From fe26cb002db4b7bd9a53265690aba19a54ebe50f Mon Sep 17 00:00:00 2001
From: Robby Zambito <contact@robbyzambito.me>
Date: Sat, 19 Apr 2025 23:56:47 -0400
Subject: Initial C api

---
 src/c_api.zig | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 src/c_api.zig

(limited to 'src/c_api.zig')

diff --git a/src/c_api.zig b/src/c_api.zig
new file mode 100644
index 0000000..bb233e0
--- /dev/null
+++ b/src/c_api.zig
@@ -0,0 +1,56 @@
+// client
+
+export fn zaprus_init() c_int {
+    SaprusClient.init() catch return 1;
+    return 0;
+}
+
+export fn zaprus_deinit() c_int {
+    SaprusClient.deinit();
+    return 0;
+}
+
+export fn zaprus_send_relay(payload: [*]const u8, len: usize, dest: [4]u8) c_int {
+    SaprusClient.sendRelay(payload[0..len], dest, allocator) catch return 1;
+    return 0;
+}
+
+export fn zaprus_send_initial_connection(payload: [*]const u8, len: usize, initial_port: u16) c_int {
+    SaprusClient.sendInitialConnection(payload[0..len], initial_port, allocator) catch return 1;
+    return 0;
+}
+
+export fn zaprus_connect(payload: [*]const u8, len: usize) ?*SaprusMessage {
+    return SaprusClient.connect(payload[0..len], allocator) catch null;
+}
+
+// message
+
+/// ptr should be freed by the caller.
+export fn zaprus_message_to_bytes(msg: SaprusMessage, ptr: *[*]u8, len: *usize) c_int {
+    const bytes = msg.toBytes(allocator) catch return 1;
+    ptr.* = bytes[0..].*;
+    len.* = bytes.len;
+    return 0;
+}
+
+/// Return value should be destroyed with zaprus_message_deinit.
+export fn zaprus_message_from_bytes(bytes: [*]const u8, len: usize) ?*SaprusMessage {
+    return SaprusMessage.fromBytes(bytes[0..len], allocator) catch null;
+}
+
+export fn zaprus_message_deinit(msg: *SaprusMessage) void {
+    msg.deinit(allocator);
+}
+
+const std = @import("std");
+
+const zaprus = @import("./root.zig");
+const SaprusClient = zaprus.Client;
+const SaprusMessage = zaprus.Message;
+
+const allocator = std.heap.c_allocator;
+
+test {
+    std.testing.refAllDeclsRecursively(@This());
+}
-- 
cgit